1 #include <QSymbianEvent>

     2 #include <QFile>

     3 #include <QTextStream>

     4 #include <QDebug>

     5 

     6 #include <W32STD.H>

     7 #include <eikenv.h>

     8 

     9 #include "keycapturingapplication.h"

    10 

    11 /*!

    12     

    13  */

    14 void writeDebug(const QString &message)

    15 {

    16     QFile file("c:/keycapturingapplication.log");

    17     if (!file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append)) {

    18         qDebug() << "DialogLauncherView::writeDebug - file open failed";

    19         return;

    20     }

    21     

    22     QTextStream out(&file);

    23     out << message << "\n";

    24     

    25     file.close();

    26 }

    27 

    28 /*!

    29     

    30  */

    31 KeyCapturingApplication::KeyCapturingApplication(int &argc, char *argv[], int keyCode) : 

    32     HbApplication(argc, argv), mKeyCode(keyCode), mKeyCaptureHandle(-1)

    33 {

    34     CEikonEnv *env = CEikonEnv::Static();

    35     mKeyCaptureHandle = env->RootWin().CaptureKey(keyCode, 0, 0);

    36 }

    37 

    38 /*!

    39     

    40  */

    41 KeyCapturingApplication::~KeyCapturingApplication()

    42 {

    43     CEikonEnv *env = CEikonEnv::Static();

    44     env->RootWin().CancelCaptureKey(mKeyCaptureHandle);

    45 }

    46     

    47 bool KeyCapturingApplication::symbianEventFilter(const QSymbianEvent *event)

    48 {

    49     if (event->type() == QSymbianEvent::WindowServerEvent) {

    50         const TWsEvent* wsEvent = event->windowServerEvent();

    51         if (wsEvent->Type() == EEventKey) {

    52             writeDebug(QString("Key Event:"));

    53             writeDebug(QString("\tkey code: %1").arg(wsEvent->Key()->iCode));

    54             writeDebug(QString("\tscan code: %1").arg(wsEvent->Key()->iScanCode));

    55             if (wsEvent->Key()->iCode == mKeyCode)

    56             {

    57                 emit capturedKeyEvent();

    58             }

    59         }

    60     }

    61     return HbApplication::symbianEventFilter(event);

    62 }